Improving a feature of the recipient organism: - inheriting a gene into crop plants to give the plant resistance to herbicides allows farmers to use herbicides as the crops are groing and so increase crop yield. - Inserting a growth-controlling gene, such as the myostatin gene, into livestock promotes muscles growth
Engineering Organisms that can Synthesis useful products:- Inserting the gene for a human hormone into bacteria and growing the bacteria produces large quantities of that hormone for human use. - Inserting the gene for a pharmaceutical chemical into female sheep so that the chemical is produced in their milk means the chemical can be easily collected. - Inserting genes fro beta-carotene production into rice so that the molecule is present in the grain.
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